Here are a few links that give you a basic overview of the effect of anger on health

Anger and Health 01

Anger and Health 02

If you want to go into more detail, read this book:  Anger Kills

On the other hand, kindness is good for you

Why Kindness is Good for You

Why Kindness is Good for You - Youtube version

So next time someone disagrees with you about what to do about health care in the USA, just avoid getting angry and be kind instead and do your bit to make yourself healthier.